Hi! Is there an exhaustive lost of all the possible math concepts one would need to know for case interviews?
Back to overview
18
0
Math concepts
5
3.5k
Be the first to answer!
Nobody has responded to this question yet.
Top answer
Vlad
on Jun 02, 2020
Coach
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School
Hi,
Here is a set of things you need to know:
1) Math and formulas:
- Interest rates calculations
- Compound margin
- NPV using the Rule of 72, Perpetuity
- CAGR using the Rule of 72
- Currencies exchange calculations
- Speed, time, distance calculations
- Equations, systems of equations
- Integral (calculating the area of geometric figures to solve case problems)
- Ratio & Proportions
- Little's Law
- Profit / breakeven formula
- Correlations, outliers (being able to spot on the graphs, tables)
2) Fast math skills
- Rounding up and down
- Learn how to multiply double digit numbers (https://www.youtube.com/watch?v=6ndkkPZYJHo)
- Learn the division table up to 1/11 (i.e. 5/6 = 83.3)
- Learn how to work with zeros using powers (e.g.: 4000000 = 4*10ˆ6)
Use math tools (Mimir math for iOS), Math tool on Viktor Cheng website to practice
3) Working with tables and graphs and deriving conclusions
- Study "Say it with Charts" book
- Check all available MBB presentations and publications. Practice to derive conclusions and check yourself with the actual ones from the article / presentation
- GMAT IR part (Official guide and Manhattan prep)
- Learn basic statistics (Any GMAT or MBA prep guides)
Good luck!
0 comments
Ian
edited on Jun 02, 2020
Coach
Top US BCG / MBB Coach - 5,000 sessions |Tech, Platinion, Big 4 | 9/9 personal interviews passed | 95% candidate success
- 100% Recommend Rocket Blocks. It's exactly what you're looking for https://www.rocketblocks.me/
- In addition to that, you can ask other PrepLoungers to case you on chart/math-heavy cases. You can also search for those case types here and work through them yourself.
Some key formulas/concepts:
- Breakeven
- NPV (with + without growth, perpituity + 1-2 years from now)
- % Change
- ROI
- Margin
- Markup
- Inventory turnover
Emily
on Jun 02, 2020
Coach
Ex Bain Associate Partner, BCG Project Leader | 9 years in MBB SEA & China, 8 years as interviewer | Free intro call
Hi,
There has been quite some similar questions asked before on PrepLounge. You can refer to the following.
https://www.preplounge.com/en/consulting-forum/bcg-finance-formulas-1438
Best,
Emily
Clara
on Jun 02, 2020
Coach
McKinsey | Awarded professor at Master in Management @ IE | MBA at MIT |+180 students coached | Integrated FIT Guide aut
Hello, plz PM me!
Deleted user
on Jul 17, 2020
Dear A,
Here is some financial formula you need you know:
• Revenue
• Fixed and variable costs
• Profits
• Return on investment
• Payback period
Best,
André
Similar Questions
Most Popular Posts
According to my scenario, what should be the best approach for getting into Consulting?
9
on Nov 27, 2025
Global
8
100+
Top answer by
Annika
Coach
30% off first session | ex-Bain | MBB Coach | ICF Coach | HEC Paris MBA | 13+ years experience
8 Answers
100+ Views
+5
Hi, which consulting firms should I be considering applying to as an experienced hire working in healthcare?
17
on Nov 28, 2025
UK
8
200+
Top answer by
Kevin
Coach
Ex-Bain (London) | Private Equity & M&A | 12+ Yrs Experience | The Reflex Method | Free Intro Call
8 Answers
200+ Views
+5
Bain Middle East: Navigating AC & CON Interview Journey exclusive webinar event
9
on Nov 28, 2025
Middle East
5
100+
Top answer by
Kevin
Coach
Ex-Bain (London) | Private Equity & M&A | 12+ Yrs Experience | The Reflex Method | Free Intro Call
5 Answers
100+ Views
+2
BCG prep after McKinsey rejection after R2
15
on Nov 30, 2025
Europe
7
200+
Top answer by
Pedro
Coach
BAIN | EY-P | Most Senior Coach @ Preplounge | Former Principal | FIT & PEI Expert
7 Answers
200+ Views
+4
MBB Exit chances after being counseled out
13
on Dec 01, 2025
Global
5
100+
Top answer by
Tiago
Coach
Harvard MBA | ex-BCG Consultant | BCG Recruiting Team & Interviewer | +150 interviews
5 Answers
100+ Views
+2